Element button pseudo-element :before generated with width 160px overflow hidden position static box-sizing content-box border 0px rgba(0,0,0,1) solid transition height auto cursor default line-height 1 border-radius z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none padding 20px transform margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) background font-weight normal display block font-size 16px